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Lock Optimization RFC (Notes updated)

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Per Lindgren 2019-09-28 21:48:03 +02:00
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@ -140,7 +140,6 @@ Basically we create `Priority` (on stack) and use that to create a `Context`. Th
Overall, using this approach, we don't need a trampoline (`run`). We reduce the overhead by at least two machine instructions (additional reading/writing of BASEPRI) for each interrupt. It also reduces the register pressure (as less information needs to be stored). Overall, using this approach, we don't need a trampoline (`run`). We reduce the overhead by at least two machine instructions (additional reading/writing of BASEPRI) for each interrupt. It also reduces the register pressure (as less information needs to be stored).
## Evaluation ## Evaluation
The `examples/lockopt.rs` shows that locks are effectively optimized out. The `examples/lockopt.rs` shows that locks are effectively optimized out.